Insider Brief
- EU Commission invests €3 million in a quantum chip project that blends electronics and light using cutting-edge Germanium-Silicon technology.
- The project’s goal is to create faster, more efficient, and scalable quantum computers, revolutionizing fields like drug discovery, cybersecurity, and artificial intelligence.
- A consortium of leading European institutions is working together to foster technological independence and quantum innovation.
The Press Release
The European Commission is pouring €3 million into a pioneering quantum chip initiative that will integrate light and electronics for the first time. This investment promises to bring us closer to achieving faster and more efficient quantum computers.
Supported by the Quantum Flagship program, the ONCHIPS consortium is at the forefront of developing revolutionary new quantum hardware using state-of-the-art materials previously unutilized in this field.
The ONCHIPS team envisions practical quantum technologies that can tackle real-world challenges, lifting restrictions on scientific breakthroughs and advancing industry and daily life.
The cornerstone of this endeavor is Germanium-Silicon (GeSi), a material discovered in 2020 for its remarkable ability to emit light efficiently.
Quantum’s Scaling Problem
Quantum computers are poised to revolutionize problem-solving in specific domains, such as drug molecule simulation, complex system optimization, and cryptography. However, scaling these machines remains a significant hurdle.
Analogous to early computers from the 1950s, which were impractical and unsuited for widespread use due to their immense size and minimal processing power, quantum computers today face their own set of scalability challenges, particularly concerning their fundamental building blocks—qubits.
“One major challenge in scaling quantum computers is that qubits often struggle to communicate with each other effectively,” explains Project Coordinator Professor Floris Zwanenburg from the University of Twente’s MESA+ Institute for Nanotechnology. “As the qubit count increases, managing communication between them becomes more complicated.”
Germanium-Silicon (GeSi) presents a promising solution to overcome these obstacles.
“By merging spin qubits for computation with photonic pathways for communication on a GeSi platform compatible with traditional CMOS manufacturing, we have the potential to revolutionize quantum scalability. This hybrid approach links quantum information processing with light transmission, resolving a critical bottleneck in scaling quantum computers,” asserts Professor Zwanenburg.
Honeycomb-Like Arrangement
GeSi, a material system studied for decades in applications like transistors in semiconductor physics, has yet to find application in quantum computing. Researchers have explored cubic GeSi for years and even created qubits using it. However, this particular hexagonal version capable of emitting light has never been incorporated into a real quantum computer—until now.
“In this hexagonal phase, the material’s atomic arrangement enhances its ability to emit light, making it suitable for quantum applications and photonics, where controlling light is crucial for communication, computation, and storage.”
All-In-One Silicon Platform
The ONCHIPS team is working to produce more affordable, cost-effective quantum chips on a large scale. To fit all components onto a single piece of material, the researchers rely on a technique called ‘monolithic integration’—essentially constructing the entire chip at once.
“ONCHIPS adopts a unique interdisciplinary approach. We integrate all necessary components, including qubits, communication channels, and supporting electronics, into a single material piece,” states Professor Zwanenburg.
By utilizing CMOS technology—used today in creating computer chips and microchips—the new quantum chips are poised for mass production.
Strengthening Europe’s Quantum Independence
Integrating quantum components and CMOS-compatible GeSi brings Europe’s quantum ecosystem closer to its semiconductor industry. The success of the ONCHIPS project could decrease dependency on imported advanced chips for quantum technologies and contribute to Europe’s goal of technological self-sufficiency.
The consortium aims to fortify the EU’s capacity to manufacture advanced quantum chips domestically, positioning the continent as a leader in scalable quantum systems.
The project concludes in 2026, featuring partners like Universiteit Twente (Netherlands), Technische Universiteit Eindhoven (Netherlands), Technische Universität München (Germany), Centre National de la Recherche Scientifique (CNRS) (France), Universität Konstanz (Germany), Budapesti Műszaki és Gazdaságtudományi Egyetem (Hungary), and Dutch company Single Quantum BV.
For more information about ONCHIPS and its innovative work, visit https://www.onchips.eu/.
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